The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Aug. 31, 1999
Applicant:
Inventor:
Timothy J. Henly, Maidens, VA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/18 ;
U.S. Cl.
CPC ...
C10L 1/18 ;
Abstract
Reaction products of i) a compound containing at least one primary or secondary amine group and at least one hydroxyl group; ii) a polyamine containing at least two amine groups wherein at least one of the amine groups is a primary or secondary amine, and wherein component ii) is different from i); iii) an alkyl-substituted hydroxyaromatic compound, and iv) an aldehyde, provide improved detergency as well as improved lubricity to hydrocarbon fuels. Compositions comprising a hydrocarbon fuel and the reaction products are also disclosed.